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Finding the Fourth Proportional to 72,626.98, 108,957.98 and 25,235.17

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Solution

The fourth proportional to 72,626.98, 108,957.98 and 25,235.17 is: 37,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,626.98 : 108,957.98 = 25,235.17 : x
  2. Step 2: Convert to fraction form
    72,626.98/108,957.98 = 25,235.17/x
  3. Step 3: Cross multiply
    72,626.98x = 108,957.98 × 25,235.17
  4. Step 4: Simplify right side
    72,626.98x = 2,749,573,148.16
  5. Step 5: Solve for x
    x = 2,749,573,148.16/72,626.98
  6. Step 6: Final answer
    x = 37,858.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.